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MDEV-20006 Move geometry specific code in Field_blob::get_key_image() to Field_geom

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This commit is contained in:
Alexander Barkov
2019-07-10 07:17:25 +04:00
parent aca5532113
commit e37d7a3715
9 changed files with 55 additions and 36 deletions
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27
sql/spatial.cc
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@ -185,6 +185,33 @@ Geometry *Geometry::construct(Geometry_buffer *buffer,
}
uint Geometry::get_key_image_itMBR(LEX_CSTRING &src, uchar *buff, uint length)
{
const char *dummy;
MBR mbr;
Geometry_buffer buffer;
Geometry *gobj;
const uint image_length= SIZEOF_STORED_DOUBLE*4;
if (src.length < SRID_SIZE)
{
bzero(buff, image_length);
return image_length;
}
gobj= Geometry::construct(&buffer, (char*) src.str, (uint32) src.length);
if (!gobj || gobj->get_mbr(&mbr, &dummy))
bzero(buff, image_length);
else
{
float8store(buff, mbr.xmin);
float8store(buff+8, mbr.xmax);
float8store(buff+16, mbr.ymin);
float8store(buff+24, mbr.ymax);
}
return image_length;
}
Geometry *Geometry::create_from_wkt(Geometry_buffer *buffer,
Gis_read_stream *trs, String *wkt,
bool init_stream)